THE STRICT INSTRUCTIONS
1) Go to your page, group or event and click ‘Invite Friends’
2) A pop-up box will shown up, make sure you watching all your friends
3) Scroll down till you can see all you friends (they will load up if you scroll down)
4) Click on the orange box ‘Firefox’ on top left of your screen and select ‘Web developing’ -> ‘Notepad’
5) Another window will show up
6) Copy the code above here in it
7) Press CTRL + R (or click ‘Execute’ -> ‘Execute’)
8) Your browser/computer may lagg a little minute
9) All your friends are selected!